From: "jacknagel (Jack Nagel)" <redmine@...>
Date: 2013-08-08T07:51:55+09:00
Subject: [ruby-core:56439] [ruby-trunk - Bug #8742] JSON.parse can not	handle tab in string


Issue #8742 has been updated by jacknagel (Jack Nagel).


I don't think literal tabs are allowed in strings, per the JSON spec.
----------------------------------------
Bug #8742: JSON.parse can not handle tab in string
https://bugs.ruby-lang.org/issues/8742#change-40978

Author: joejack (Joe Jack)
Status: Open
Priority: Low
Assignee: 
Category: lib
Target version: 
ruby -v: ruby 1.9.3p194 (2012-04-20) [x86_64-linux] 
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


The following JSON file:
----
{
	"I am tab": "	"
}
----

does not parse when running the script:
----
require 'json'
JSON.parse IO::read 'tab.json'
----

the error message is:
----
/usr/local/lib/ruby/1.9.1/json/common.rb:148:in `parse': 743: unexpected token at '{ (JSON::ParserError)
        "I am tab": "   "
}
'
        from /usr/local/lib/ruby/1.9.1/json/common.rb:148:in `parse'
        from parse.rb:2:in `<main>'
----

Taking out the quoted tab solves the problem.
If there is a quoted tab in a file, the error message shows the entire document!


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